Home / 75,129.04-103,680.30-41,595.04

Finding the Fourth Proportional to 75,129.04, 103,680.30 and 41,595.04

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Solution

The fourth proportional to 75,129.04, 103,680.30 and 41,595.04 is: 57,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,129.04 : 103,680.30 = 41,595.04 : x
  2. Step 2: Convert to fraction form
    75,129.04/103,680.30 = 41,595.04/x
  3. Step 3: Cross multiply
    75,129.04x = 103,680.30 × 41,595.04
  4. Step 4: Simplify right side
    75,129.04x = 4,312,586,225.71
  5. Step 5: Solve for x
    x = 4,312,586,225.71/75,129.04
  6. Step 6: Final answer
    x = 57,402.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.